18977832

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 54405000

約数和(自身を除く): 35427168

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 61, 72, 87, 116, 122, 149, 174, 183, 232, 244, 261, 298, 348, 366, 447, 488, 522, 549, 596, 696, 732, 894, 1044, 1098, 1192, 1341, 1464, 1769, 1788, 2088, 2196, 2682, 3538, 3576, 4321, 4392, 5307, 5364, 7076, 8642, 9089, 10614, 10728, 12963, 14152, 15921, 17284, 18178, 21228, 25926, 27267, 31842, 34568, 36356, 38889, 42456, 51852, 54534, 63684, 72712, 77778, 81801, 103704, 109068, 127368, 155556, 163602, 218136, 263581, 311112, 327204, 527162, 654408, 790743, 1054324, 1581486, 2108648, 2372229, 3162972, 4744458, 6325944, 9488916, 18977832]

約数ペア:

[(1, 18977832), (2, 9488916), (3, 6325944), (4, 4744458), (6, 3162972), (8, 2372229), (9, 2108648), (12, 1581486), (18, 1054324), (24, 790743), (29, 654408), (36, 527162), (58, 327204), (61, 311112), (72, 263581), (87, 218136), (116, 163602), (122, 155556), (149, 127368), (174, 109068), (183, 103704), (232, 81801), (244, 77778), (261, 72712), (298, 63684), (348, 54534), (366, 51852), (447, 42456), (488, 38889), (522, 36356), (549, 34568), (596, 31842), (696, 27267), (732, 25926), (894, 21228), (1044, 18178), (1098, 17284), (1192, 15921), (1341, 14152), (1464, 12963), (1769, 10728), (1788, 10614), (2088, 9089), (2196, 8642), (2682, 7076), (3538, 5364), (3576, 5307), (4321, 4392)]